Airway management device
The present invention is directed to an improved suction catheter that increases the effectiveness of clearing the airway by way of non-limiting example, reducing the need for separate suctioning and foreign body grasping instruments. The embodiments described herein provide medical personnel the ability to use one hand and catheter to selectively grasp an anatomically lodged foreign body while reducing the likelihood of lumen blockage and interruption of suction.
1. A catheter device, comprising:
an elongated suction tube having a lumen extending from a proximal end of the elongated suction tube to a distal end of the elongated suction tube, the distal end including a suction tip comprising at least two sets of pegs; and
a grasping housing slidably disposed around at least a portion of the elongated suction tube and the suction tip, comprising an upper grasping arm, a lower grasping arm, and a grasping tip formed from an upper distal end of the upper grasping arm and a lower distal end of the lower grasping arm, the grasping housing further comprising a plurality of slot ramps on the upper and lower grasping arms configured to engage with the at least two sets of pegs of the elongated suction tube,
wherein the grasping housing is configured to extend from a first configuration to a second configuration, the first configuration comprising the grasping tip being situated in proximity to the suction tip in a closed configuration with the plurality of slot ramps engaging the at least two sets of pegs in a first slot ramp location, and the second configuration comprising the grasping tip extended a first distance distally from the suction tip in an open configuration with the plurality of slot ramps engaging the at least two sets of pegs in a second slot ramp location, and
wherein the grasping housing is further configured to extend from the second configuration to a third configuration, the third configuration comprising the grasping tip second extended a second distance distally from the suction tip in a second closed configuration with the plurality of slots ramps engaging the at least two sets of pegs in a third slot ramp location, the second distance being greater than the first distance.
2. The catheter device of claim 1 , wherein:
the plurality of slot ramps in the first slot ramp location comprise a first semi vertical portion of the plurality of slot ramps, and
the plurality of slot ramps in the third slot ramp location comprise a second semi vertical portion of the plurality of slot ramps, the first and second semi vertical portions being at an angle relative to each other.
3. The catheter device of claim 1 , wherein the plurality of slot ramps in the second slot ramp location comprise a horizontal portion of the plurality of slot ramps.
4. The catheter device of claim 1 , wherein the grasping housing comprises a plurality of convex rounded projections formed in an underside of the grasping housing.
5. The catheter device of claim 1 , wherein a range of opening distance between the upper and lower grasping arms in the open configuration ranges from 0.01 mm to 35 mm.
6. The catheter device of claim 1 , wherein the at least two sets of pegs are offset from each other on lateral sides of the elongated suction tube.
7. The catheter device of claim 1 , wherein the elongated suction tube further comprises a plurality of auxiliary suction channels fluidly connected to the lumen of the elongated suction tube and extending longitudinally from the suction tip to the proximal end.